A new Covid strain, called XFG or Stratus, is spreading quickly across America. Experts say it now makes up nearly 80 percent of all U.S. Covid cases.

The variant is more contagious because of mutations that help it slip past past infection or vaccine protection. Symptoms include cough, fatigue, congestion, fever, and sometimes brain fog. “It spreads faster, but it does not appear more deadly,” health officials stressed.

CDC wastewater data shows infections are rising in 29 states. Nine states, including Minnesota, Michigan, and New York, are seeing the fastest growth. South Dakota reports the highest activity, while Delaware’s large older population faces added risks. “Older adults remain among the most vulnerable,” one researcher warned.

Hospitalizations and test positivity have recently declined, offering some relief. Still, experts urge caution and careful monitoring. The safest step is staying alert to symptoms and protecting those most at risk.

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